names : Lidoderm®
Why is this medication prescribed?
Lidocaine patches are
used to relieve the pain of post-herpetic neuralgia (the
burning, stabbing pains, or aches that may last for
months or years after a shingles infection). Lidocaine
is in a class of medications called local anesthetics.
It works by stopping nerves from sending pain signals.
How should this medicine be used?
Lidocaine comes as a
patch to apply to the skin. It is applied only once a
day as needed for pain. Follow the directions on your
prescription label carefully, and ask your doctor or
pharmacist to explain any part you do not understand.
Use lidocaine patches exactly as directed.
Your doctor will tell
you how many lidocaine patches you may use at one time
and the length of time you may wear the patches. Never
apply more than three patches at one time, and never
wear patches for more than 12 hours per day. Using too
many patches or leaving patches on for too long may
cause serious side effects.
To apply the patches,
follow these steps:
- Look at the skin that you plan to
cover with a lidocaine patch. If the skin is broken
or blistered, do not apply a patch to that area.
- Use scissors to remove the outer
seal from the package. Then pull apart the zipper
- Remove up to three patches from
the package and press the zipper seal tightly
together. The remaining patches may dry out if the
zipper seal is not tightly closed.
- Cut patch(es) to the size and
shape that will cover your most painful area.
- Peel the transparent liner off
the back of the patch(es).
- Press the patch(es) firmly onto
your skin. If you are applying a patch to your face,
be careful not to let it touch your eyes. If you do
get lidocaine in your eye, wash it with plenty of
water or saline solution.
- Wash your hands after handling
- Do not reuse lidocaine patches.
After you are finished using a patch, remove it and
dispose of it out of reach of children and pets.
Used patches contain enough medication to seriously
harm a child or pet.
Other uses for this medicine
This medication may
be prescribed for other uses; ask your doctor or
pharmacist for more information.
What special precautions should I
- tell your doctor and pharmacist
if you are allergic to lidocaine; other local
anesthetics such as bupivacaine (Marcaine),
etidocaine (Duranest), mepivacaine (Carbocaine,
Prolocaine), or prilocaine (Citanest); or any other
- tell your doctor and pharmacist
what prescription and nonprescription medications,
vitamins, nutritional supplements, and herbal
products you are taking. Be sure to mention any of
the following: disopyramide (Norpace), flecainide
(Tambocor), medications applied to the skin or mouth
to treat pain, mexiletine (Mexitil), moricizine
(Ethmozine), procainamide (Procanabid, Pronestyl),
propafenone (Rhythmol), quinidine (Quinidex), and
tocainide (Tonocard). Your doctor may need to change
the doses of your medications or monitor you
carefully for side effects.
- tell your doctor if you have or
have ever had liver disease.
- tell your doctor if you are
pregnant, plan to become pregnant, or are
breast-feeding. If you become pregnant while using
lidocaine patches, call your doctor.
- if you are having surgery,
including dental surgery, tell the doctor or dentist
that you are using lidocaine patches.
What special dietary instructions
should I follow?
Unless your doctor
tells you otherwise, continue your normal diet.
What should I do if I forget a dose?
This medication is
usually taken as needed. If your doctor has told you to
use lidocaine patches regularly, use the missed patch as
soon as you remember it. However, if it is almost time
for the next dose, skip the missed patch and continue
your regular dosing schedule. Do not take a double dose
to make up for a missed one.
What side effects can this medication
Lidocaine patches may
cause side effects. If any of these symptoms occur,
remove your patch and do not put it back on until the
symptoms go away. Tell your doctor if any of these
symptoms are severe or do not go away:
- burning or discomfort in the
place you applied the patch
- redness or swelling of the skin
under the patch
Some side effects can
be serious. The following symptoms are uncommon, but if
you experience any of them, call your doctor
- skin rash
- diffiiculty breathing or
- swelling of the face, throat,
tongue, lips, eyes, hands, feet, ankles, or lower
- cool, moist skin
- fast pulse or breathing
- unusual thirst
- upset stomach
Lidocaine patches may
cause other side effects. Call your doctor if you have
any unusual problems while taking this medication.
If you experience a
serious side effect, you or your doctor may send a
report to the Food and Drug Administration's (FDA)
MedWatch Adverse Event Reporting program online [at
http://www.fda.gov/MedWatch/index.html] or by phone
What storage conditions are needed
for this medicine?
Keep this medication
in the container it came in, tightly closed, and out of
reach of children. Store it at room temperature and away
from excess heat and moisture (not in the bathroom).
Throw away any medication that is outdated or no longer
needed. Talk to your pharmacist about the proper
disposal of your medication.
In case of emergency/overdose
If you wear too many
patches or wear patches for too long, too much lidocaine
may be absorbed into your blood. In that case, you may
experience symptoms of an overdose.
In case of overdose,
call your local poison control center at 1-800-222-1222.
If the victim has collapsed or is not breathing, call
local emergency services at 911.
Symptoms of overdose
- inappropriate happiness
- ringing in the ears
- blurred or double vision
- feeling hot, cold, or numb
- twitching or shaking that you
- loss of consciousness
- slow heartbeat
What other information should I know?
Keep all appointments
with your doctor
Do not let anyone
else take your medication. Ask your pharmacist any
questions you have about refilling your prescription.
It is important for
you to keep a written list of all of the prescription
and nonprescription (over-the-counter) medicines you are
taking, as well as any products such as vitamins,
minerals, or other dietary supplements. You should bring
this list with you each time you visit a doctor or if
you are admitted to a hospital. It is also important
information to carry with you in case of emergencies.
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